// Copyright (c) 2023 Huawei Technologies Co., Ltd
// Copyright (c) 2019, Facebook CORPORATION.
// All rights reserved.
//
// Licensed under the BSD 3-Clause License  (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://opensource.org/licenses/BSD-3-Clause
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <ATen/native/TypeProperties.h>
#include "op_plugin/AclOpsInterface.h"
#include "op_plugin/OpApiInterface.h"
#include "op_plugin/utils/op_api_common.h"

namespace op_api {
using npu_preparation = at_npu::native::OpPreparation;

at::Tensor& addr_out(const at::Tensor& self, const at::Tensor& vec1, const at::Tensor& vec2, const at::Scalar& beta,
                     const at::Scalar& alpha, at::Tensor& result) {
  DO_COMPATIBILITY(aclnnAddr, acl_op::addr_out(self, vec1, vec2, beta, alpha, result));
  npu_preparation::check_tensor({self, vec1, vec2}, result, result);
  EXEC_NPU_CMD(aclnnAddr, self, vec1, vec2, beta, alpha, result);
  return result;
}

at::Tensor addr(const at::Tensor& self, const at::Tensor& vec1, const at::Tensor& vec2, const at::Scalar& beta,
                const at::Scalar& alpha) {
  DO_COMPATIBILITY(aclnnAddr, acl_op::addr(self, vec1, vec2, beta, alpha));

  // calculate the output size
  at::ScalarType high_dtype = at::native::result_type({self, vec1, vec2});
  auto output_size = op_infer::addr_npu_output_size(self, vec1, vec2, beta, alpha);

  // construct the output tensor of the NPU
  at::Tensor result = npu_preparation::apply_tensor_without_format(output_size, self.options().dtype(high_dtype));

  // calculate the output result of the NPU
  EXEC_NPU_CMD(aclnnAddr, self, vec1, vec2, beta, alpha, result);
  return result;
}

at::Tensor& addr_(at::Tensor& self, const at::Tensor& vec1, const at::Tensor& vec2, const at::Scalar& beta,
                  const at::Scalar& alpha) {
  DO_COMPATIBILITY(aclnnInplaceAddr, acl_op::addr_(self, vec1, vec2, beta, alpha));
  EXEC_NPU_CMD(aclnnInplaceAddr, self, vec1, vec2, beta, alpha);
  return self;
}

}  // namespace op_api
